Kriegel, Alex S. Discovering SQL : a hands-on guide for beginners / Alex Kriegel, Dale E Shuttleworth, Paulo de Oliveira. - Indianapolis, IN : Wiley Pubishing, Inc., 2011. - xxx, 400 p. : ill. ; 24 cm. ISBN: 9781118002674 (pbk.) Subjects--Topical Terms: SQL (Computer program language)